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Mitsubishi MSZ-A15NA Air Pressure Switch
The actual job of the air pressure switch is to sense whether the primary blower is actually running. This pressure switch is an important part of the collection of safety devices that is in place to keep you safe and keep your family safe. Some pressure switches have a manual reset feature, from which it would have to be reset manually or the whole HVAC system will not continue operation.
Symptoms to Look for when the HVAC Air Pressure Switch is Starting to Go Bad
- System does not actually get to the right indoor temperature.
- Wrong electrical voltage being read.
- Your furnace is unable to operate at all.
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